summaryrefslogtreecommitdiff
path: root/net/core/rtnetlink.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2018-09-05 07:33:03 +0300
committerDavid S. Miller <davem@davemloft.net>2018-09-05 07:33:03 +0300
commit36302685f59345959de96d0d70a5ad20a3a3451b (patch)
tree778b3170acd1131840823520a4664f2bba343dbe /net/core/rtnetlink.c
parent2fc4aa59ab470f1d5124b33c05680e2b2f2c6f65 (diff)
parent28619527b8a712590c93d0a9e24b4425b9376a8c (diff)
downloadlinux-36302685f59345959de96d0d70a5ad20a3a3451b.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/core/rtnetlink.c')
-rw-r--r--net/core/rtnetlink.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 24431e578310..60c928894a78 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -324,6 +324,10 @@ void rtnl_unregister_all(int protocol)
rtnl_lock();
tab = rtnl_msg_handlers[protocol];
+ if (!tab) {
+ rtnl_unlock();
+ return;
+ }
RCU_INIT_POINTER(rtnl_msg_handlers[protocol], NULL);
for (msgindex = 0; msgindex < RTM_NR_MSGTYPES; msgindex++) {
link = tab[msgindex];